Report for H12431

Report for H12431

Locality: Block Island Sound
Sublocality: 5 NM South of Block Island
State(s) or Region(s): New York

Start Date: 2012-08-25
End Date: 2012-08-29


These data are not to be used for navigation.
For navigation please refer to NOS Nautical Charts.


Downloads may take a long time, depending on file size and data transfer rates.



Download All Products for H12431

Visit the full NCEI Bathymetry Viewer.

Survey Products

Descriptive Report and Metadata Documents

NOAA/NOS Descriptive Report
Products listed in the project descriptive report (DR) may not reflect final products available through NCEI.
H12431_DR.pdf 1.70MB The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
H12431 View / Download H12431.xml Usually presented as an XML document, which captures the basic characteristics of HSMDB metadata verified from H10000 (1982) to the present as well as F00200 (1965) to the present.

Bathymetry

Survey products may use different units, datums or projections than the associated survey. Please consult product-specific metadata for additional details.
Variable Resolution Bathymetric Attributed Grid
H12431_MB_VR_MLLW.bag 144.92MB The Variable Resolution BAG format is a gridded, multi-dimensional, multi-resolution bathymetric data file (see Open Navigation Surface).
Currently supported with open source GDAL. The BAGXYZ files are ascii representations of the BAG data in XYZ format, but do not include uncertainty.
NOAA/NOS Sounding Data
Download data from the Point Store database via NEXT (NCEI Extract System). Point soundings are from the survey Smooth Sheet or of similar density. Depths in meters. Horizontal datum is (converted to) NAD83 if possible. Vertical datum is (converted to) Mean Lower Low Water if possible. Please check the associated metadata to confirm the correct datums. The data file format is : SurveyID, Long, Lat, Depth.
H12431 XYZ format.

Images

GeoImagePDF
H12431_GeoImage.pdf 21.93MB NOAA/NOS Layered GeoSpatial Image PDF File.
Created by NOS to include chart and survey layers in a georeferenced pdf format.
NOAA/NOS multibeam acoustic backscatter mosaic in TIFF format
The multibeam acoustic backscatter mosaic is readable with various applications such as the free CARIS Easy View, or ESRI ArcGIS geospatial visualization software.
H12431_MBAB_1m_S222_400kHz_1of1.tiff 77.36MB NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.

Bottom Samples and Tide Documents

Bottom Sample Data
NOAA/NOS bottom sample listing in IMLGS (pre-1989)
Link to H12431 in IMLGS (pre-1989 samples) Search NOAA/NOS seabed samples submitted to IMLGS through NMNH (pre-1989). Modern survey bottom samples are not currently viewable on a map service.
NOAA/NOS bottom sample document in PDF or ASC format
H12431_BottomSamples.ascii 1.8KB NOAA/NOS bottom sample document in PDF or ASC format.
NOAA/NOS Tide Note in PDF Format
H12431_tn.pdf 58.2KB This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H12431_tz.pdf 484.8KB This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
H12431_ProjectSketch.jpg 113.2KB Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-B363-TJ-12_DAPR.pdf 4.57MB This document may be read using a free Adobe Reader.

Survey Metadata